155.8.0.0/15

AS721 · United States Department of Defense (DoD)

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Summary

Country	United States
Domain	mail.mil
ASN	AS721
Registry	ARIN
ID	GORDON-NET5

WHOIS Details

NetHandle:      NET-155-8-0-0-2
OrgID:          HEADQU-3
Parent:         NET-155-8-0-0-1
NetName:        GORDON-NET5
NetRange:       155.8.0.0 - 155.8.255.255
NetType:        reallocation
RegDate:        2025-08-23
Updated:        2025-08-23
Source:         ARIN


OrgID:          HEADQU-3
OrgName:        Headquarters, USAISC
CanAllocate:    
Street:         NETC-ANC CONUS TNOSC
City:           Fort Huachuca
State/Prov:     AZ
Country:        US
PostalCode:     85613
RegDate:        1990-03-26
Updated:        2025-03-13
OrgAdminHandle: REGIS10-ARIN
OrgTechHandle:  REGIS10-ARIN
OrgAbuseHandle: REGIS10-ARIN
Source:         ARIN


POCHandle:      REGIS10-ARIN
IsRole:         Y
LastName:       Registration
FirstName:      
Street:         DISA-Columbus
Street:         300 North James Road
City:           Whitehall
State/Prov:     OH
Country:        US
PostalCode:     43213
RegDate:        2009-06-24
Updated:        2025-02-13
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.arin-registrations@mail.mil
Source:         ARIN

Overlapping Ranges

BGP prefixes that are contained by 155.8.0.0/15

Range	ASN	Company	Num of IPs
155.8.0.0/16	AS367	Headquarters, USAISC	65,536
155.9.0.0/16	AS367	Headquarters, USAISC	65,536
155.8.0.0/16	AS721	Headquarters, USAISC	65,536

Nearby Ranges

BGP prefixes that overlap with 155.0.0.0/8

Range	ASN	Company	Num of IPs
155.7.0.0/16	AS27065	DoD Network Information Center	65,536
155.7.0.0/16	AS27066	DoD Network Information Center	65,536
155.7.0.0/16	AS27064	DoD Network Information Center	65,536
155.43.0.0/16	AS25691	Connecticut State Colleges & Universities, Regional Community-Technical College System	65,536
155.108.0.0/16	AS26561	Global Network Services	65,536
155.163.0.0/16	AS20057	AT&T Enterprises, LLC	65,536
155.223.0.0/16	AS2592	Ege University (EGE)	65,536
155.136.0.0/16	AS21301	Royal Bank of Scotland	65,536
155.178.0.0/16	AS22773	Federal Aviation Administration	65,536
155.178.0.0/16	AS22773	Federal Aviation Administration	65,536
155.240.0.0/16	AS2018	Agricultural Research Council	65,536
155.97.0.0/16	AS17055	University of Utah	65,536
155.99.0.0/16	AS17055	University of Utah	65,536
155.104.0.0/16	AS1906	Northrop Grumman Corp.	65,536
155.6.0.0/16	AS1637	Headquarters, USAISC	65,536
155.3.0.0/16	AS21853	New Brunswick Power Holding Corporation	65,536
155.5.0.0/16	AS1637	Headquarters, USAISC	65,536
155.238.0.0/16	AS2018	Cape Technikon	65,536
155.134.0.0/16	AS16509	Amazon.com, Inc.	65,536
155.40.0.0/16	AS16509	Amazon.com, Inc.	65,536
155.232.0.0/16	AS2018	TENET (The UNINET Project)	65,536
155.132.0.0/16	AS200656	Nokia EMEA	65,536
155.246.0.0/16	AS16889	Stevens Institute of Technology	65,536
155.53.0.0/16	AS158	Munin Systems Inc.	65,536
155.101.0.0/16	AS17055	University of Utah	65,536
155.100.0.0/16	AS17055	University of Utah	65,536
155.92.0.0/16	AS11500	Milwaukee School of Engineering	65,536
155.98.0.0/16	AS17055	University of Utah	65,536
155.250.0.0/16	AS13167	Merck KGaA	65,536
155.144.0.0/16	AS17756	Australian Postal Corporation	65,536
155.60.0.0/16	AS10235	NATIONAL AUSTRALIA BANK LIMITED	65,536
155.185.0.0/16	AS137	Universita' degli Studi di Modena e Reggio Emilia	65,536
155.170.0.0/16	AS20057	AT&T Enterprises, LLC	65,536
155.253.0.0/16	AS137	Area della Ricerca di Milano	65,536
155.31.0.0/16	AS11809	Embry-Riddle Aeronautical University	65,536
155.187.0.0/16	AS140637	Department of Climate Change Energy the Environment and Water	65,536
155.155.0.0/16	AS1585	Headquarters, USAISC	65,536
155.166.0.0/16	AS20057	AT&T Enterprises, LLC	65,536
155.230.0.0/16	AS10052	Kyungpook National University	65,536
155.24.0.0/16	AS1556	Headquarters, USAISC	65,536
155.48.0.0/16	AS16481	Babson College	65,536
155.155.0.0/16	AS1556	Headquarters, USAISC	65,536
155.193.0.0/16	AS16509	Amazon.com, Inc.	65,536
155.155.0.0/16	AS1554	Headquarters, USAISC	65,536
155.197.0.0/16	AS16509	Amazon.com, Inc.	65,536
155.38.0.0/16	AS16509	Amazon Technologies Inc.	65,536
155.143.0.0/16	AS135887	Telstra Limited	65,536
155.33.0.0/16	AS156	Northeastern University	65,536
155.109.0.0/16	AS10273	Florida Power & Light Company	65,536
155.7.0.0/16	AS273	DoD Network Information Center	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
92.74.114.63	AS3209 Vodafone GmbH	`5.50ms` from Frankfurt am Main, DE
85.209.87.127	AS64236 UnReal Servers, LLC	`0.22ms` from Kansas City, US
92.21.127.143	AS13285 TalkTalk Communications Limited	`5.60ms` from Manchester, GB
106.215.107.255	AS24560 Bharti Airtel Ltd., Telemedia Services	`15.82ms` from Mumbai, IN
112.4.9.143	AS56046 China Mobile communications corporation	`1.21ms` from Nanjing, CN
148.207.151.207	AS265519 INSTITUTO POTOSINO DE INVESTIGACION CIENTIFICA Y TECNOLOGICA	`3.35ms` from Santiago de Queretaro, MX
139.150.192.207	AS9286 KINX	`0.73ms` from Seoul, KR
58.37.75.223	AS4812 China Telecom (Group)	`4.62ms` from Shanghai, CN
52.74.69.223	AS16509 Amazon.com, Inc.	`0.14ms` from Singapore, SG
61.65.127.255	AS9676 SaveCom Internation Inc.	`1.11ms` from Taipei, TW
150.147.221.15	AS2527 Sony Network Communications Inc.	`2.07ms` from Tokyo, JP
5.54.69.95	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`5.11ms` from Athens, GR
85.91.178.79	AS16326 SmalS vzw	`1.50ms` from Brussels, BE
35.223.178.127	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
109.150.100.239	AS2856 British Telecommunications PLC	`4.47ms` from London, GB
112.204.137.175	AS9299 Philippine Long Distance Telephone Company	`1.06ms` from Manila, PH
76.137.101.79	AS7922 Comcast Cable Communications, LLC	`6.26ms` from Miami, US
133.175.211.239	AS2519 ARTERIA Networks Corporation	`2.42ms` from Osaka, JP
180.17.38.63	AS4713 NTT DOCOMO BUSINESS,Inc.	`15.34ms` from Osaka, JP
88.200.197.143	AS12389 PJSC Rostelecom	`0.68ms` from Samara, RU
174.135.116.143	AS33363 Charter Communications, Inc	`11.32ms` from San Jose, US
187.2.165.79	AS28573 Claro NXT Telecomunicacoes Ltda	`5.87ms` from Sao Paulo, BR
173.70.26.239	AS701 Verizon Business	`1.65ms` from Secaucus, US
175.114.34.175	AS9318 SK Broadband Co Ltd	`1.91ms` from Seoul, KR
43.137.133.15	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.79ms` from Shanghai, CN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f2 -m7 155.9.70.164

traceroute to 155.9.70.164 (155.9.70.164): 7 hops max, 52 byte packets

2 [AS3356] 4.1.40.153 6.067 ms

3 *

4 [AS3356] 65.56.131.54 61.827 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Bend, US

On November 14th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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